Anything is possible, but it's not that easy, you need to write some actions for staff who are wandering around, in the meander.lua file. You can look at the code that makes them play the arcade, copy it and change it so they can use the TV in a similar way. You will also need to modify the TV so it can be "used", or you can just make the staff move in front of the closest TV and look at it for a while. But you should get used to the code if you like modding the game, asking here won't help much because there can be many changes required and no one will do them for you.